Comment by goodzillo on 23/07/2014 at 20:22 UTC

5 upvotes, 1 direct replies (showing 1)

View submission: xkcd: Snake Facts

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So if you go spelunking and you happen to come out a different entrance than where you began, you never went into the mountain?

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Comment by Pseudoboss11 at 23/07/2014 at 21:30 UTC

2 upvotes, 1 direct replies

If I came out of the same entrance I would have never been in the mountain.

Think what it means to be actually in a mountain. You're surrounded on all sides by rock, there is no air other than that which is in your lungs. The rock is so close to you that you can't move. You're buried alive. Then you are following the mountain's rules, of stone tectonics. When you're in a cave, you are following the cave's rules, dark, no light other than that which you brought, probably drippy and wet, but you can move and breathe freely. When you are in a tunnel you're following the tunnel's rules.